Sentence Correction

The question I am going to ask has already been asked on this forum: https://www.beatthegmat.com/i-though-bei ... t1323.html

However, the focus of the thread was on 'it' and 'being'. While I think, there is one more critical point that people missed in the earlier thread. So posting the question again.

Source 1000 SC
169. Because the enemy’s new ship is the quietest and it is therefore the most elusive submarine, it is being increasingly viewed by the military as a threat to security.
(A) and it is therefore the most elusive submarine, it is being increasingly viewed
(B) it is therefore the most elusive of submarines, and it has increased the view
(C) and therefore the most elusive submarine, it is being increasingly viewed
(D) and therefore it is the most elusive of submarines, there is an increasing view
(E) therefore being the most elusive of submarines, it is increasingly viewed

OA C

One suggestion: We all are always ready to hog on any SC question. At the same time, I feel, we can correct the grammatical mistakes in our comments also. That way we will also improve in our writting skill.